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Finding the Fourth Proportional to 334.85, 462.12 and 203.93

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Solution

The fourth proportional to 334.85, 462.12 and 203.93 is: 281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.85 : 462.12 = 203.93 : x
  2. Step 2: Convert to fraction form
    334.85/462.12 = 203.93/x
  3. Step 3: Cross multiply
    334.85x = 462.12 × 203.93
  4. Step 4: Simplify right side
    334.85x = 94,237.82
  5. Step 5: Solve for x
    x = 94,237.82/334.85
  6. Step 6: Final answer
    x = 281.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.